 Crossed (evolutionary) signals? July 01, 2008 | User rating: 4.5 / 5 after 11 vote(s)
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What do humans and single-celled choanoflagellates have in common? More than you'd think. New research into the choanoflagellate genome shows these ancient organisms have similar levels of proteins that cells ... | |
 Woolly-Mammoth Gene Study Changes Extinction Theory June 10, 2008 | User rating: 4.5 / 5 after 37 vote(s)
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A large genetic study of the extinct woolly mammoth has revealed that the species was not one large homogenous group, as scientists previously had assumed, and that it did not have much genetic diversity. | |
 Caution on stem cell therapy June 08, 2008 | User rating: 4.5 / 5 after 18 vote(s)
| User comments: 1
A single organ may contain more than one type of adult stem cell – a discovery that complicates prospects for using the versatile cells to replace damaged tissue as a treatment for disease, according to a ... | |
Pregnant women get morning sickness to protect fetus July 01, 2008 | User rating: 4.5 / 5 after 24 vote(s)
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Morning sickness. It's the bane of many of a pregnancy. And many a future mother wonders at the apparently unnecessary suffering. But, it turns out, there's meaning to the misery. Two evolutionary biologists report that morning ... | |
Thinking ahead: Bacteria anticipate coming changes in their environment June 19, 2008 | User rating: 4.5 / 5 after 11 vote(s)
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Microbes may be smarter than we think. A new study by Princeton University researchers shows for the first time that bacteria don't just react to changes in their surroundings -- they anticipate and prepare for them. | |
Honeybee dance breaks down cultural barrier June 04, 2008 | User rating: 4.4 / 5 after 8 vote(s)
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Asian and European honeybees can learn to understand one another's dance languages despite having evolved different forms of communication, an international research team has shown for the first time. The findings are published ... | |
 A New Way to Think About Earth's First Cells June 05, 2008 | User rating: 4.4 / 5 after 35 vote(s)
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A team of researchers at Harvard University have modeled in the laboratory a primitive cell, or protocell, that is capable of building, copying and containing DNA. | |
 Researchers are first to simulate the binding of molecules to a protein June 30, 2008 | User rating: 4.3 / 5 after 15 vote(s)
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You may not know what it is, but you burn more than your body weight of it every day. Adenosine triphosphate (ATP), a tiny molecule that packs a powerful punch, is the primary energy source for most of your ... | |
Fortified cassava could provide a day's nutrition in a single meal June 30, 2008 | User rating: 4.3 / 5 after 8 vote(s)
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Scientists have determined how to fortify the cassava plant, a staple root crop in many developing countries, with enough vitamins, minerals and protein to provide the poor and malnourished with a day's worth of nutrition ... | |
 When it comes to female red squirrels, it seems any male will do June 20, 2008 | User rating: 4.1 / 5 after 8 vote(s)
| User comments: 4
Researchers have found that female red squirrels showed high levels of multimale mating and would even mate with males that had similar genetic relatedness, basically mating with their relatives. | |
How the brain separates audio signals from noise June 10, 2008 | User rating: 4.1 / 5 after 18 vote(s)
| User comments: 1
How are we able to follow a single conversation in the midst of a crowded and noisy room? Little is known about how the human brain accomplishes the seemingly simple task of extracting meaningful signals from noisy acoustic ... | |
Cellular self-eating promotes pancreatitis June 30, 2008 | User rating: 4 / 5 after 7 vote(s)
| User comments: 2
To survive tough times, cells sometimes resort to a form of self-cannibalism called autophagy. But as Hashimoto et al. reveal, autophagy can have a down side, destroying the pancreas by prematurely activating a digestive ... | |
Are microbes the answer to the energy crisis? June 04, 2008 | User rating: 3.9 / 5 after 10 vote(s)
| User comments: 3
The answer to the looming fuel crisis in the 21st century may be found by thinking small, microscopic in fact. Microscopic organisms from bacteria and cyanobacteria, to fungi to microalgae, are biological factories that ... | |
Neuroscientists discover a sense of adventure June 25, 2008 | User rating: 3.9 / 5 after 10 vote(s)
| User comments: 2
Wellcome Trust scientists have identified a key region of the brain which encourages us to be adventurous. The region, located in a primitive area of the brain, is activated when we choose unfamiliar options, suggesting an ... | |
What It's Like to Be a Bat June 26, 2008 | User rating: 3.8 / 5 after 12 vote(s)
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Not many people think about what it's like to be a bat, but for those who do, it's enlightening and potentially groundbreaking for understanding aspects of the human brain and nervous system. | |
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